High Resolution Stereo Camera
High Resolution Stereo Camera (HRSC) is a camera experiment on Mars Express. A version for Earth called HRSC-AX was also developed, as was a version for Mars 96. It has four main parts: camera head, super resolution channel, instrument frame, and digital unit. At an altitude of 250 km from Mars, SRC can produce images with a resolution of 2.3 meters/pixel of 2.35 km square Mars terrain. It has 9 other channels and can produce digital terrain models.
By 2012, about 61.5% of the surface of Mars was mapped at a resolution of at least 20 meters per pixel by the Mars Express mission using this camera.
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